Summary
Overview
Work History
Education
Skills
Certification
Previous Roles
Timeline
29
NICHOLAS BESSMER

NICHOLAS BESSMER

Needham,MA

Summary

Former PMP Certified Principal Consultant and Solution Architect specializing in scalable systems, API integrations, microservices, and cloud technologies to optimize enterprise operations and drive automation. Extensive experience in enterprise-grade API development, real-time systems, and ETL processes with a focus on cross-platform programming in C++, C#, Java, JavaScript, and Python.

Overview

2026
2026
years of professional experience
1
1
Certification

Work History

Consultant

Open Societies Foundation
  • Led a system migration from a legacy grant-writing platform to a new system integrated with NetSuite.
  • Built Pentaho interfaces to pull data from legacy systems into staging environments, transforming and loading into NetSuite via APIs.
  • Designed exception handling, validation logic, and robust logging to ensure auditability and quality.
  • Dates as applicable

Principal Consultant | Solution Architect

InvestCloud
02.2022 - Current
  • Led a full Pentaho ETL modernization and migration effort, reviewing, rewriting, and deploying over 120 Pentaho PDI jobs into Autosys. This included updating transformations, implementing full exception handling, logging, change detection, and applying best practices across all pipelines.
  • Collaborated directly with the Pentaho technical team to resolve deep system issues and improve deployment reliability.
  • Worked on flat file scrubbing and ingestion pipelines from banks including UBS, Wells Fargo, and others, requiring complex validation and transformation logic.
  • Developed and implemented a robust API framework leveraging .NET Core, Python, and C#, enabling seamless management of client portfolios and enhancing wealth management operations.
  • Spearheaded the modernization of the Tradeflow trade settlement system, utilizing SWIFT banking protocol, automating tasks, and improving data accuracy through Python workflows.
  • Extensive SQL Server work with Tradeflow backend, including optimization of stored procedures and complex queries using tools like Idera.
  • Developed and deployed cloud-native SaaS solutions leveraging AWS and Azure, incorporating microservices, containerization (Docker, Kubernetes).
  • Implemented secure API frameworks with OAuth authentication using AWS API Gateway and Azure API Management.
  • Architected ETL pipelines to process SWIFT files delivered via FTP and messaging queues, ensuring efficient data ingestion and transformation for high-volume trade settlements.
  • Integrated Kafka and RabbitMQ for real-time messaging, significantly improving system scalability, reliability, and resilience.
  • Designed real-time messaging and reconciliation workflows using SWIFT adapters, RabbitMQ, and IBM MQ Series to process high-frequency financial data.
  • Improved task automation and data pipeline performance by integrating optimized Autosys workflows, enhancing throughput and reliability.

Solution Architect (Contract)

Smartsheet
02.2021 - 02.2022
  • Engineered advanced integration solutions linking Smartsheet with ERP and CRM systems, optimizing enterprise data workflows using C#, Python, Java, and Node.js.
  • Designed and implemented REST API integrations and Python-driven automation scripts to ensure seamless data synchronization.
  • Integrated Smartsheet with vendors like HubSpot, and enterprise clients such as Ford Motor and Southwire, enhancing cross-system collaboration.
  • Used Java IDEs like Visual Studio and JetBrains and managed Java packages with Maven.
  • Developed reusable integration modules, enabling rapid deployment and reducing implementation timelines for large-scale clients like Bloomberg.
  • Designed cloud-native solutions to support complex data migrations and workflow automation.
  • Designed and deployed SaaS API integrations on Azure, ensuring scalability with Azure Kubernetes Service (AKS).
  • Built backend services in Node.js, leveraging Azure Event Grid and Service Bus for event-driven processing.
  • Ensured security and compliance via Azure AD authentication and RBAC policies.
  • Used Azure Monitor and Application Insights for observability in distributed environments.

Principal Services Consultant | Solution Architect

Flexera
05.2017 - 07.2020
  • Delivered customized IT asset management solutions for clients including the US EPA, USPS, and Wells Fargo Bank, boosting efficiency and compliance.
  • Designed and deployed Pentaho PDI jobs and transforms to interface with vendors like BigFix via REST APIs, supporting asset discovery, license compliance, and reporting.
  • Automated data enrichment workflows using Kafka, Pentaho, and .NET, reducing manual intervention and improving pipeline reliability.
  • Integrated ServiceNow to streamline asset and issue resolution workflows.
  • Developed real-time monitoring solutions using Python and C#, improving visibility across distributed systems.
  • Enhanced reporting via REST API integrations with enterprise data systems.
  • Built an Azure-based inventory system to track devices, improving compliance and operational oversight.
  • Delivered scalable, secure cloud-native solutions using Azure, Intune, and Defender for Cloud.
  • Integrated event-driven architectures with Azure Event Hubs, RabbitMQ, and durable functions for real-time workflow processing.

Senior Professional Services Consultant | Architect

Tungsten Automation (Lexmark/Kofax)
02.2015 - 05.2017
  • Designed and deployed Kofax BPM (KTA) solutions to automate complex document workflows integrated with SAP.
  • Architected scalable systems in C# and SQL Server, optimizing high-volume data processing through REST and SOAP protocols.
  • Delivered projects like automated invoice processing systems that reduced manual error and sped up reconciliation.
  • Supported enterprise-scale BPM solutions for clients such as Netflix and Discover.

Consultant – Solution Architect

Accenture
04.2011 - 01.2015
  • Client: General Dynamics – Bath Iron Works
  • Built canonical, conceptual, logical, and physical data models to unify homegrown systems.
  • Designed architecture to streamline parts ordering and inventory.
  • Client: JP Morgan Chase
  • Assessed and modeled current vs. future-state architecture using Ab Initio and IBM DataStage.
  • Delivered modernization roadmap for scalable, secure financial data systems.

AVP | Software Architect / Developer

State Street Bank
03.2005 - 03.2011
  • Built ETL pipelines to automate manual review of multi-day trade and settlement processes.
  • Developed high-performance trading systems in Java and C++ with multithreading and low-latency messaging.
  • Implemented JMS-based frameworks for trade order processing and market data delivery.
  • Used Java Persistence API (JPA) and Hibernate to optimize database interactions.
  • Created robust test coverage with JUnit and Mockito.
  • Tuned JVM performance using G1GC/ZGC, thread pools, and advanced memory management strategies.

Education

MBA - undefined

Northeastern University
Boston, MA

BA - undefined

Brandeis University
Waltham, MA

Skills

  • ETL & Data Pipelines: Pentaho PDI (Expert, since 2006) IBM DataStage Autosys Data Scrubbing Transformation Logic Exception Handling
  • Programming: Python C# Java C JavaScript/Nodejs SQL
  • Messaging & Queues: Kafka RabbitMQ IBM MQ JMS
  • APIs: REST OAuth Azure API Management AWS API Gateway
  • Cloud & Infra: AWS Azure Docker Kubernetes Azure AKS Azure Event Grid Azure Monitor
  • Banking/Finance: SWIFT FIX Tradeflow OMS EMS Portfolio Platforms Settlement Systems
  • Automation & Monitoring: ServiceNow Autosys Application Insights Intune Azure Policy Defender for Cloud
  • Project management
  • Problem-solving
  • Subject matter expert
  • Integrity and honesty
  • Analytical thinking
  • Client engagement
  • Product life cycle management
  • Project implementation
  • NET framework
  • Data warehousing
  • Cloud computing
  • Multitasking and organization

Certification

Listed in Who’s Who America 2024 for contributions to software engineering for scientific and charitable work.

Previous Roles

  • Principal Software Developer – Bessmer IT Consulting, LLC
  • Founder & Developer – MisterMultiVox (Independent Project)
  • Director, Trading Systems – Nasdaq
  • Trading System Development in Java

Timeline

Principal Consultant | Solution Architect

InvestCloud
02.2022 - Current

Solution Architect (Contract)

Smartsheet
02.2021 - 02.2022

Principal Services Consultant | Solution Architect

Flexera
05.2017 - 07.2020

Senior Professional Services Consultant | Architect

Tungsten Automation (Lexmark/Kofax)
02.2015 - 05.2017

Consultant – Solution Architect

Accenture
04.2011 - 01.2015

AVP | Software Architect / Developer

State Street Bank
03.2005 - 03.2011

MBA - undefined

Northeastern University

BA - undefined

Brandeis University

Consultant

Open Societies Foundation